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ACS712 Current Sensor | ACS712 Hall-Effect Current Sensor Module (5A / 20A / 30A)

★★★★★

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₹129

₹177

27% off

The ACS712 Module is a high-performance current sensing solution based on the Allegro ACS712ELC chip. Utilizing the Hall Effect principle, it measures both AC and DC current without breaking the electrical isolation of your circuit. This makes it a mechanical necessity for motor control, load detection, and switched-mode power supplies, providing a linear analog voltage output.

✓ In Stock (38 available)

▪Advanced Galvanic Isolation: The Hall-effect design is a mechanical necessity for high-voltage projects, providing a physical barrier between the current-carrying copper path and the logic pins, preventing catastrophic board failure.

▪Low-Loss Conductor Path: With an internal resistance of only 1.2 mΩ, the ACS712 minimizes voltage drop and heat generation, ensuring your system remains efficient even at maximum rated current.

▪Bidirectional Sensing: Capable of measuring both positive and negative current, this sensor is ideal for H-bridge motor drivers and solar systems where current flow direction may reverse during charging or discharging.

▪Linear Sensitivity Calibration: Each variant is factory-calibrated (185mV/A for 5A, 100mV/A for 20A, and 66mV/A for 30A), allowing for simple mathematical conversion in your firmware for highly accurate readings.

▪Compact Integration: The small SOIC8 package mounted on a breadboard-friendly module with screw terminals makes it easy to integrate into existing power rails without complex wiring.

Measurement Type

AC and DC Current

Isolation Voltage

2.1 kVRMS (Minimum)

Internal Resistance

1.2 mΩ (Ultra-low power loss)

Output Type

Analog Voltage (Linear)

Supply Voltage

5.0V DC

Bandwidth

80 kHz (Filterable via capacitor)

Zero Current Output

VCC / 2 (2.5V)

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